As of Opening Day 2023, Oliver Marmol is the youngest active MLB manager at 36 years old.
Marmol has managed the St. Louis Cardinals since 2022, having previously served as the team’s first base coach and bench coach.
Below is a list of the youngest active MLB managers, as of Opening Day 2023.
Youngest Active MLB Managers
| MANAGER | TEAM | AGE |
|---|---|---|
| Oliver Marmol | St. Louis Cardinals | 36 |
| Rocco Baldelli | Minnesota Twins | 41 |
| John Schneider | Toronto Blue Jays | 43 |
| Skip Schumaker | Miami Marlins | 43 |
| Kevin Cash | Tampa Bay Rays | 45 |
| David Ross | Chicago Cubs | 46 |
| Mark Kotsay | Oakland Athletics | 47 |
| Alex Cora | Boston Red Sox | 47 |
| Gabe Kapler | San Francisco Giants | 47 |
| AJ Hinch | Detroit Tigers | 48 |
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